Ans : I am surprised to know your dedication towards the sport. Good.
See there are no easy courses, Wherever you take interest becomes easy. If you are really interested in Tennis or Sports for that matter, You can take up a course in Physical education. By the way in which subject are you doing your HSC.

Ans : GMAT is required if you need admission in Post graduate level courses related to Management like MBA . And Ielts is a standardized test to judge level of English . As far as Indian students are concerned we have to take IELTS test to prove level of English. Reach me
neelam10@ymail.com